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FusionInsight HD 6.5.0 Administrator Guide 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Isolating a Host

Isolating a Host


If a host is abnormal or faulty and cannot provide services or affects the cluster performance, you can remove the host from the available node in the cluster temporarily so that the client can access other available nodes. In the scenario where a patch is installed for a cluster, you can also exclude the specified node and do not install the patch for instances on the node.

Only non-management nodes can be isolated.

Impact on the System

  • After a host is isolated, all role instances on the host will be stopped, and you cannot start, stop, or configure the host and all instances on the host.
  • For some services, after a host is isolated, some instances on other nodes do not work, and the service configuration status may expire.
  • After a host is isolated, statistics about the monitoring status and indicator data of the host hardware and instances on the host cannot be collected or displayed.


  1. Log in to FusionInsight Manager.
  2. Click Host.
  3. Select the check box of the host to be isolated.
  4. Select Isolate from the More drop-down list.

    In the displayed dialog box, enter the password of the current login user and click OK.

  5. In the displayed confirmation dialog box, select I confirm to isolate the selected hosts and accept possible consequences of service faults. Click OK.

    Wait until the message "Operation succeeded" is displayed, and click Finish.

    The host is successfully isolated and Running Status is Isolated.

Updated: 2019-05-17

Document ID: EDOC1100074522

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